LiFePO4 12 Volt 20Ah Solar Storage Battery Bank

No.

Item

General Parameter

Remark

1

Rated Capacity

20.0Ah

Standard discharge(0.2C) after standard charge (0.2C)

2

Minimal Capacity

19.2Ah

3

Nominal Voltage

12.8V

4

Life Expectation

Residual capacity is more than 60% of the rated capacity

1) Charge: CC @ 0.2C to 14.6V, then CV till current to 0.05C

5

Discharge cut-off voltage

2.0V/cell(≥8.0V)

10.0V recommended

6

Charging cut-off voltage

3.9V/cell(≤15.6V)

14.6V recommended

7

Assembly method

IFR26650EC-3.3AH

4S6P

8

Housing material

ABS

9

Standard charge

0.2C constant current (CC) charge to 14.6V,then constant voltage (CV) 14.6V charge till charge current decline to ≤0.05C

Charge time : Approx 7.0h 

10

Standard discharge

Constant current 0.2C

Cut-off voltage 10.0V

11

Maximum Continuous Charge Current

20A @ 20℃

12

Maximum Continuous Discharge Current

35A @ 0℃

Over current 140±20A 8~16 mS

13

Operation Temperature Range

Charge: 0~55℃

60±25%R.H.

Discharge: -10~60℃

14

Storage Temperature Range

Less than 1 year: 0~25℃

60±25%R.H.

at the shipment state

Less than 3 months:-5~35℃

15

Approx. Weight

2.55Kg

16

Dimension

L181*W76*H166 mm

17

Short Circuit Protection

Recover after charging

18

Cell balancing

80±10mA

19

AC Impedance

≤35mΩ

@50% SOC